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lv xin mei zuo he jin ban cai chao su xing bian xing de li xue te xing
Author(s): 
Pages: 1-6
Year: Issue:  4
Journal: Materials Science and Technology

Keyword:  初始应变速率超塑变形超塑性变形超塑成形板材特定条件延伸率应变速率敏感性指数超塑合金超塑性能;
Abstract: 供应状态的Al-10%Zn-1%Mg-0.4%Zr超塑合金板材,可直接用于超塑成形。在470~550℃,ε≈10-3~10-2-1范围内,一般δ>600%;特定条件下,δmax>2000%。较快的超塑变形速率,适中的成形温度等,使其具有较好的应用性。本文考察了此合金超塑性变形的主要特性,分析了流变规律。
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